新视野大学英语4第三版第四----册第四单元教案

教案NewHorizonCollegeEnglish新视野大学英语读写教程读写教程（四）教研室：大学英语教研室教师姓名：课程名称大学英语（4）授课专业和班级授课内容Unit4Achievingsustainableenvironmentalism授课学时6教学目的Theteachingobjectiveofthisunitistohelpstudents:1.Tograspthemainideaandstructureofthetext;2.Tounderstandthestructureof“rebutandorganizecounter-arguments”;3.Towriteanargumentativeessay;4.Tomasterthekeylanguagepointsandgrammaticalstructuresinthetext.5.Toconductaseriesofreading,listening,speakingandwritingactivitiesrelatedtothethemeofthetext.教学重点1.Textstructureanalysis2.Languagepoints:Keywordsandexpressions:environmentalism,constituent,segregate,consolidate,differentiate,definitive,deplete,reversible,chord,regime,callupon/on,beincompatiblewith,either-or,as…asthenextperson/man,choosesth.oversth.else,frame/stateofmind.3.Writingskills:howtorebutandorganizecounter-arguments教学方法1.Communicativeapproach;2.Task-basedteachingmethod;3.Audio-lingualmethod.教学过程1.Pre-readingActivities2.TextStructureAnalysis3.DetailedStudyoftheText4.Grammarandexercises5.Writingandreadingskillspractice作业Homework:1.Writeaparagraphwiththestructureof“rebutandorganizecounter-arguments”.2.Recitetheappointedparagraph.辅助手段Multimediasoftware,CD-ROM辅导答疑教学内容I.Pre-readingActivitiesStep1:Toaskstudentssomequestionsconcerningenvironmentlike:Whatarethepollutionstoenvironment?Howtopreventpollution?Whattodotomaketheprotectionsustainable?Step2:Discussingroups.Step3:Introducebackgroundinformation.Ⅱ.TextStructureAnalysisAsktheSstoreadthepassageasquicklyastheycanandtogetthemainideaofeachparagraphandmakeclearaboutthetextstructure.Purpose:Improvethestudents’readingandwritingabilityandunderstandthegeneralideaofeachparagraph.Method:Readthetextindividuallyanddiscussingroups.PartI(paras.1):IIntroductiontoenvironmentalprotection.PartII(paras.2-10):Body:rulesonenvironmentalprotection.PartIII(paras.11-13):Conclusion:natureshouldbesubordinatetohumanbeings.Ⅲ.DetailedStudiesoftheTextNewwordsandexpressions1.constituentn.a)sb.whovotesinaparticulararea.Whenthevotewasannounced,alltheconstituentsbrokeintocheers.当投票结果宣布时，所有的选民都欢呼起来。b)oneofthesubstancesorthingsthatcombinetoformsth..Caffeineistheactiveconstituentofdrinkssuchasteaandcoffee.咖啡因是茶和咖啡这类饮品的活性成分。2.segregatevt.a)separateonepartorthingfromanotherWomen’sdressesaresegregatedfromthemisses’inmanydepartments.在很多百货商店，成熟女装和少女装是分开的。b)separateonegroupofpeoplefromothers,esp.becausetheyateofadifferentrace,sexorreligionThestudentsaresegregatedaccordingtotheirproficiencyinEnglish.学生按英语水平的不同进行了划分。3.consolidatev.a)combinethingsinordertomakethemmoreeffectiveoreasiertodealwith.Theyconsolidatedfourprovincestoformthreenewones.他们把四个省合成了三个。b)strengthenthepositionofpowerorsuccessthatyouhave,sothatitbecomesmoreeffectiveorcontinuesforlonger.Maythefriendshiptiesbetweenourtwocountriesbefurtherdevelopedandconsoldated!愿我们两国的友谊能够进一步发展和巩固。4.differentiatev.recognizeorexpressthedifferencebetweenthingsorpeopleShehaslearnedtodifferentiatethetwokindsofroses.她已经学会区分这两种玫瑰。5.differentiatebetweenidentifydifferencesbetweentwoormorethingsorpeopleNolongerisheabletodifferentiatebetweenfantasyandreality.他不能区分虚幻和现实。6.costlessa.notcostinganythingTheinternetprovidesusacostlesswayofsharing.互联网为我们提供了免费共享信息的方法。7.depletevtreducetheamountofsth.orthenumberofthingsIfwecontinuetodepletetheearth’snaturalresources,wewillcauseseriousdamagetotheenvironment.如果我们继续减少地球上的自然资源，我们将对环境造成严重破坏。8.reversiblea.abletoreturnorbechangedtoapreviousstateHeobesity-relatedcognitiveeffectsmightbepartlyreversible.肥胖对认知产生的影响或许是部分可逆的。9.allegevt.saythatsth.istrueorthatsb.hasdonesth.wrongorillegaleventhoughthishasnotbeenproved.Theaccusedisallegedtohaverobbedabank.据称，被告抢劫了一家银行。10.takeondevelopaparticularcharacterorappearanceTherelationsbetweenthetwocountriesmaytakeonanewlook.两国之间的关系也许将呈现出新面貌。11.run/goagainstthegrainbecompletelydifferentfromwhatyoufeelisright,natural,ornormalforyouHismusicgenerallyrunsagainstthegrainofwhatismodern.他的音乐总体上和现代音乐格格不入。12.either-ora.presentinganunavoidableneedtochoosebetweentwoalternativesYoudon’thavetochooseaneither-orsituation.Youcanchoosetogothroughvocationaltrainingandoptforcollegelateron.你不是一定要二选一。你可以选择完成职业培训，然后再选择读大学。13.inparttosomedegree,butnotcompletelyTheproject,fundedinpartbyUNESCO,willspanaperiodof12months.由联合国教科文组织部分出资赞助的这一项目期限是12个月。14.as…asthenextperson/manas…asanyotherpersonormanImightlookashonestasthenextperson,butIsometimestelldirtylies.我看上去和其他人一样诚实，但我有时候会恶意撒谎。15.asa...costatacostofaparticularamountRicewaspurchasedatalowcostlastyear.去年大米的收购价很低。16.beboundup/togetherbeconnectedbyqualitiesthataresharedHefeltthathisfateandnation’sfatewereboundupinseparably.他感到自己的命运和国家的命运紧密相连，不可分割。LanguagePoints:1.TheAmericanMidwestfeedspeopleatallcornersoftheatlas.(Para.4)Meaning:ThecropsthatareproducedintheAmericanMidwestsupportthelivesofpeopleinallplacesoftheworld.2.Asaneenvironmentalism,theonlykindofenvironmentalismthatwillstrikeachordwiththegeneralpublic,beginsbyopenlydeclaringthatnatureisheretoservehumanbeings.(Para.5)Meaning:Arationalenvironmentalism,theonlykindofenvironmentalismthatwillwinthesupportofthemassivepublicbeginsbyopenlystatingthatnature